CVE-2022-29777

high-risk
Published 2022-06-02

Onlyoffice Document Server v6.0.0 and below and Core 6.1.0.26 and below were discovered to contain a heap overflow via the component DesktopEditor/fontengine/fontconverter/FontFileBase.h.

Do I need to act?

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16.2% chance of exploitation in next 30 days
EPSS score — higher than 84% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (2)

Affected Vendors

Onlyoffice

References (6)

Release Notes https://github.com/ONLYOFFICE/DocumentServer/blob/master/CHANGELOG.md#601
Patch https://github.com/ONLYOFFICE/core/commit/b17d5e860f30e8be2caeb0022b63be4c766601...
Exploit https://github.com/moehw/poc_exploits/tree/master/CVE-2022-29777
Release Notes https://github.com/ONLYOFFICE/DocumentServer/blob/master/CHANGELOG.md#601
Patch https://github.com/ONLYOFFICE/core/commit/b17d5e860f30e8be2caeb0022b63be4c766601...
Exploit https://github.com/moehw/poc_exploits/tree/master/CVE-2022-29777
52
/ 100
high-risk
Severity 32/34 · Critical
Exploitability 13/34 · Low
Exposure 7/34 · Low